Home / 50,773.28-76,158.63-21,190.46

Finding the Fourth Proportional to 50,773.28, 76,158.63 and 21,190.46

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Solution

The fourth proportional to 50,773.28, 76,158.63 and 21,190.46 is: 31,785.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,773.28 : 76,158.63 = 21,190.46 : x
  2. Step 2: Convert to fraction form
    50,773.28/76,158.63 = 21,190.46/x
  3. Step 3: Cross multiply
    50,773.28x = 76,158.63 × 21,190.46
  4. Step 4: Simplify right side
    50,773.28x = 1,613,836,402.67
  5. Step 5: Solve for x
    x = 1,613,836,402.67/50,773.28
  6. Step 6: Final answer
    x = 31,785.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.